Booking odds · March
Hosmer Grove Campground in March: How Hard Is It to Book?
The verdict
Booking difficulty 8 out of 10. Competitive. Be ready when the booking window opens.
March rarely sells out — you can often book close to your trip.
Hosmer Grove Campground in March scores 8 out of 10 for booking difficulty — hard. Competitive. Be ready when the booking window opens.
Across the last 3 years of reservation history, the typical March booking was locked in about 30 days before arrival, with the campground running roughly 111% full that month. The lightest arrival day is Tuesday, so shifting to a midweek start is the single easiest way to improve your odds.
How far ahead people book
Weekend vs. weekday demand
Best odds: arrivals are lightest on Tuesday in March. A midweek arrival is your easiest booking.
Get notified when a spot opens
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When March reservations open
Reservations for Hosmer Grove Campground in March 2027 operate on a rolling 6-month window releasing at 7:00 AM ET.
March 1 stays open
September 1, 2026
at 7:00 AM ET
Release style
6-Month Rolling Window
Releases daily 6 months ahead at 7:00 AM ET
Campsites for March 1, 2027 become bookable on September 1, 2026 at 7:00 AM ET. Each subsequent date throughout March releases day-by-day exactly 6 months prior to arrival.
Facility note: Standard Recreation.gov 6-month rolling window: sites become bookable 6 months before arrival at 7:00 AM ET.
How much does it cost to camp at Hosmer Grove Campground?
Camping is year-round unless otherwise stated for emergencies. Camping is $20 per night with a 3-night maximum over a 30-day period. Entrance fees of $30 per vehicle are to be paid when entering the Park. If you own a valid National Park pass, please show to our fee collectors upon entrance. These passes can be used at entrance in lieu of the $30 fee. Sunrise reservation at the Summit of Haleakala is included with the first morning of your campground dates reserved. There are no refunds for camping fees. Any changes to your camping dates must be made through recreation.gov in advance.
Fee details as listed on Recreation.gov. Rates and passes change by season, so confirm the current price on Recreation.gov before you book.
Easier nearby options in March
If your dates are flexible, these nearby campgrounds are typically easier to book.
Hosmer Grove Campground in March: common questions
- How hard is it to book Hosmer Grove Campground in March?
- Hosmer Grove Campground rates 8 out of 10 for March — Hard. Competitive. Be ready when the booking window opens.
- How far in advance should I book Hosmer Grove Campground for March?
- The typical March reservation was made about 30 days before arrival, so plan to book as early as your dates allow.
- When do March reservations open for Hosmer Grove Campground?
- Reservations for Hosmer Grove Campground in March 2027 open on a rolling 6-month window. Sites for March 1 become bookable on September 1, 2026 at 7:00 AM ET, with each subsequent day releasing day-by-day 6 months ahead.
- What is the best day to arrive at Hosmer Grove Campground in March?
- Arrivals are lightest on Tuesday. A midweek arrival is usually the easiest booking.
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